| Prime Ministers of the UK | 0 | - | 4.95 | 443,243 |
| Prime Ministers of Australia | 0 | - | 4.51 | 32,246 |
| Canadian Prime Ministers | 0 | - | 4.64 | 58,021 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 201,009 |
| Soviet Leaders 1917–1991 | 0 | - | 4.44 | 95,681 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 119,068 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,731,793 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 151,446 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 73,434 |
| Countries that Visit the UK the Most | 0 | - | 4.88 | 76,028 |
| Name the English Monarchs | 0 | - | 4.91 | 507,476 |
| Country by Photo of its Leader | 0 | - | 4.70 | 124,759 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 105,007 |
| The Trojan War | 0 | - | 4.83 | 40,091 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 653,093 |
| Name that Greek Letter | 0 | - | 4.93 | 325,342 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 113,270 |
| Countries Italy Declared War On | 0 | - | 4.74 | 48,319 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,705 |
| Roman Emperors | 0 | - | 4.95 | 121,462 |
| Monty Python Quotes | 0 | - | 4.89 | 42,629 |
| Commonwealth of Nations Countries | 0 | - | 4.95 | 238,637 |
| All UK Parliament Constituencies on a Map | 0 | - | 4.60 | 29,100 |
| The Dictator Files: Vladimir Lenin | 0 | - | 4.46 | 26,971 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 72,145 |
| Olympian Gods Quiz | 0 | - | 4.96 | 504,548 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 54,034 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 81,098 |
| Name the Popes Quiz | 0 | - | 4.47 | 139,105 |
| Countries of the Popes | 0 | - | 4.78 | 128,913 |
| National Founders | 0 | - | 4.40 | 84,003 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 428,927 |
| Neutral European Countries of WWII | 0 | - | 4.92 | 162,568 |
| Ancient Greek Words | 0 | - | 4.93 | 112,693 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.54 | 49,691 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 192,204 |
| Paramount Leaders of China | 0 | - | 4.36 | 11,146 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 383,934 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,777 |
| The Reign of Napoleon | 0 | - | 4.54 | 39,226 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,515 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,630 |
| UK Cities Map Quiz | 0 | - | 4.96 | 466,887 |
| The Dictator Files: Chairman Mao | 0 | - | 4.28 | 20,770 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,998 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 194,055 |
| Countries of Europe After World War II | 0 | - | 4.99 | 189,703 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 157,756 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,583 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 86,118 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 66,035 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.97 | 72,038 |
| Countries of the Soviet Union | 0 | - | 4.98 | 195,716 |
| Soviet Union Country Quiz | 0 | - | 4.91 | 81,240 |
| The Dictator Files: Joseph Stalin | 0 | - | 4.37 | 48,697 |
| Countries Bordering France | 0 | - | 4.83 | 405,401 |
| Countries Bordering Germany | 0 | - | 4.99 | 372,286 |
| Figures from Greek Mythology | 0 | - | 4.92 | 193,057 |
| Counties of England Map Quiz | 0 | - | 4.97 | 309,319 |
| Political Movements by Country | 0 | - | 4.46 | 72,842 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 80,202 |
| All U.S. Supreme Court Justices | 0 | - | 4.54 | 29,167 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 73,177 |
| All U.S. Supreme Court Justices Ever | 0 | - | 4.50 | 11,879 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 192,034 |
| Every European Country Shape | 0 | - | 4.96 | 203,289 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,952 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.74 | 58,832 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 91,298 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,708 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,293 |
| Countries Bordering Austria | 0 | - | 4.97 | 119,060 |
| Countries that Visit France the Most | 0 | - | 4.85 | 46,235 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,574 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 99,186 |
| Counties of Ireland | 0 | - | 4.92 | 197,724 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,384 |
| Countries Closest to Italy | 0 | - | 4.97 | 199,694 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,173 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 117,142 |
| Countries Closest to Spain | 0 | - | 4.96 | 228,401 |
| UK Immigration by Country | 0 | - | 4.94 | 141,918 |
| Arthurian Legend | 0 | - | 4.33 | 25,195 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 141,293 |
| Top 100 UK Baby Boys' Names in 1850 | 0 | - | 4.42 | 70,409 |
| Most-Visited Countries by the British | 0 | - | 4.64 | 69,130 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 132,695 |
| World Capitals Closest to London | 0 | - | 4.88 | 111,435 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 97,432 |
| Scotland Trivia | 0 | - | 4.58 | 57,797 |
| Asian Countries with the Most Christians | 0 | - | 4.86 | 98,173 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 137,786 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,724 |
| African Countries with the Most Christians | 0 | - | 4.94 | 76,234 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 77,156 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 121,506 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 62,118 |
| U.S. Bill of Rights | 0 | - | 4.53 | 32,878 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 97,422 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 134,632 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 166,657 |
| Biggest Trading Partners - Russia | 0 | - | 4.55 | 36,687 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,615 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,820 |
| Biggest Cities in Germany | 0 | - | 4.95 | 295,712 |
| Countries that Beat Germany | 0 | - | 4.94 | 107,516 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,673 |
| Greece by Picture | 0 | - | 4.16 | 14,847 |
| Mythology A-Z | 0 | - | 4.31 | 37,456 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 74,496 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,896 |
| Ireland Country Quiz | 0 | - | 4.70 | 135,339 |
| Countries that Beat Italy | 0 | - | 4.85 | 55,303 |
| Ancient Roman Trivia #2 | 0 | - | 4.61 | 44,401 |
| Geography of the Roman Empire | 0 | - | 4.55 | 52,270 |
| Roman Names for Places | 0 | - | 4.62 | 58,795 |
| Countries Closest to Iceland | 0 | - | 4.90 | 74,307 |
| Modern Day Countries of the Portuguese Empire on a Map | 0 | - | 4.56 | 52,282 |
| Countries that Beat Portugal | 0 | - | 4.86 | 60,013 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,335 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,446 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 99,213 |
| Countries that Beat the United Kingdom | 0 | - | 4.53 | 64,026 |
| James Bond Countries Visited Map | 0 | - | 4.99 | 64,901 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 32,006 |
| British History A-Z #1 | 0 | - | 4.45 | 47,346 |
| Houses of British Monarchs | 0 | - | 4.54 | 66,034 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 61,162 |
| British History Quiz for Dummies | 0 | - | 4.70 | 79,165 |
| 2026–2027 Football League Teams | 0 | - | 4.94 | 408,175 |
| Pope Facts | 0 | - | 4.39 | 31,430 |
| Hindu Countries | 0 | - | 4.86 | 50,684 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 40,610 |
| U.S. Presidential Trivia #1 | 0 | - | 4.45 | 109,680 |
| U.S. Presidents by Event | 0 | - | 4.58 | 35,487 |
| Losing U.S. Presidential Candidates in History | 0 | - | 4.62 | 94,772 |
| Presidential Middle Names | 0 | - | 4.42 | 60,815 |
| U.S. Presidential Trivia #2 | 0 | - | 4.49 | 53,755 |
| Assassinated U.S. Presidents | 0 | - | 4.62 | 94,945 |
| U.S. Presidents Who Died in Office | 0 | - | 4.77 | 35,261 |
| Ten Least Guessed U.S. Presidents | 0 | - | 4.45 | 38,661 |
| The American Revolution | 0 | - | 4.52 | 54,394 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 533,128 |
| Random European Flag to Country | 0 | - | 4.90 | 184,503 |
| History of Russia Quiz | 0 | - | 4.47 | 32,029 |
| Flags of Countries That Border France | 0 | - | 4.89 | 123,940 |
| Flags of Countries that Border Germany | 0 | - | 4.86 | 97,997 |
| All Countries that Once Bordered Germany | 0 | - | 4.33 | 75,266 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,262 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,597 |
| Famous Ancient Romans | 0 | - | 4.70 | 85,853 |
| History of Italy | 0 | - | 4.55 | 32,187 |
| Italy by Picture | 0 | - | 4.41 | 31,120 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 102,457 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,278 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,856 |
| Countries Once Held by Sweden | 0 | - | 4.18 | 34,875 |
| Countries that Beat Iceland | 0 | - | 4.81 | 43,309 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,470 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 108,949 |
| UK Baby Girl Names by Decade | 0 | - | 4.38 | 162,058 |
| UK Baby Boy Names by Decade | 0 | - | 4.37 | 133,366 |
| Invasions of Great Britain | 0 | - | 4.51 | 60,150 |
| Satellite Images - The United Kingdom | 0 | - | 4.41 | 28,226 |
| Members of the British Royal Family | 0 | - | 4.10 | 114,544 |
| Name a James Bond Movie A-Z | 0 | - | 4.60 | 10,516 |
| English Royal Consorts | 0 | - | 4.38 | 37,572 |
| Top 4 in English Football, 1888–2026 | 0 | - | 4.92 | 143,864 |
| 2026–2027 English Premier League Teams | 0 | - | 4.84 | 873,289 |
| Scotland A-Z | 0 | - | 4.73 | 41,502 |
| The Wales Quiz | 0 | - | 4.46 | 29,286 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 51,286 |
| Prime Ministers of Israel | 0 | - | 3.97 | 18,103 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 75,597 |
| Countries with the Most Hindus | 0 | - | 4.90 | 123,688 |
| Colonies of Africa with a Map | 0 | - | 4.79 | 54,834 |
| US Presidents - One Minute Sprint | 0 | - | 4.41 | 306,438 |
| Name a Valid U.S. President #2 | 0 | - | 4.54 | 70,672 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 222,789 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 135,864 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,227 |
| Europe Map Quiz | 0 | - | 5.00 | 4,793,995 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 35,256 |
| Random European Countries on a Map | 0 | - | 4.97 | 285,392 |
| Europe Map with Random Merged Countries | 0 | - | 4.97 | 320,930 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 217,504 |
| Arms Exports - Russia | 0 | - | 4.49 | 25,208 |
| German History A-Z | 0 | - | 4.49 | 24,951 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.89 | 114,534 |
| Roman to Greek God | 0 | - | 4.52 | 123,511 |
| The Life of Julius Caesar | 0 | - | 4.39 | 39,198 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 127,081 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 440,511 |
| British Monopoly Board - Map Quiz | 0 | - | 4.47 | 20,283 |
| Shakespeare's Plays Quiz | 0 | - | 4.37 | 390,608 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,857 |
| Tolkien's Middle Earth Map Quiz | 0 | - | 4.92 | 38,313 |
| People in Pictures with Queen Elizabeth II | 0 | - | 4.38 | 29,518 |
| Countries "Ruled" by King Charles III | 0 | - | 4.78 | 82,923 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 281,063 |
